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基于迟滞行为的2D-SiC/SiC复合材料组份力学性能分析

郭洪宝 贾普荣 王波 矫桂琼 曾增

郭洪宝, 贾普荣, 王波, 矫桂琼, 曾增. 基于迟滞行为的2D-SiC/SiC复合材料组份力学性能分析[J]. 力学学报, 2015, 47(2): 260-269. doi: 10.6052/0459-1879-14-247
引用本文: 郭洪宝, 贾普荣, 王波, 矫桂琼, 曾增. 基于迟滞行为的2D-SiC/SiC复合材料组份力学性能分析[J]. 力学学报, 2015, 47(2): 260-269. doi: 10.6052/0459-1879-14-247
Guo Hongbao, Jia Purong, Wang Bo, Jiao Guiqiong, Zeng Zeng. STUDY ON CONSTITUENT PROPERTIES OF A 2D-SiC/SiC COMPOSITE BY HYSTERESIS MEASURMENTS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 260-269. doi: 10.6052/0459-1879-14-247
Citation: Guo Hongbao, Jia Purong, Wang Bo, Jiao Guiqiong, Zeng Zeng. STUDY ON CONSTITUENT PROPERTIES OF A 2D-SiC/SiC COMPOSITE BY HYSTERESIS MEASURMENTS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 260-269. doi: 10.6052/0459-1879-14-247

基于迟滞行为的2D-SiC/SiC复合材料组份力学性能分析

doi: 10.6052/0459-1879-14-247
详细信息
    通讯作者:

    王波,副教授,主要研究方向:复合材料的损伤与力学行为.E-mail:b.wang@nwpu.edu.cn

  • 中图分类号: TB332

STUDY ON CONSTITUENT PROPERTIES OF A 2D-SiC/SiC COMPOSITE BY HYSTERESIS MEASURMENTS

  • 摘要: 基于剪滞理论, 建立了单向纤维增强陶瓷基复合材料的加卸载理论模型, 分析了基体长碎块和短碎块对材料迟滞力学行为的不同影响. 通过拉伸循环加卸载试验, 获得了2D-SiC/SiC 复合材料的迟滞应力—应变行为.依据材料基体损伤特点, 将试验结果代入长碎块对应理论推导结果, 计算得到了4 个表征材料组份性能的参数:基体开裂应力为90 MPa, 热残余应力为19 MPa, 界面脱粘能为3.1 Jm2, 界面滑移力为74 MPa. 最后结合少量短碎块的存在对试验结果的影响, 定性分析了计算结果的偏差. 结果表明, 获得的材料组分性能参数具有较小的分散性, 并能够准确表征材料整体的力学行为.

     

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出版历程
  • 收稿日期:  2014-08-23
  • 修回日期:  2015-01-08
  • 刊出日期:  2015-03-18

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